Year 8 Ratio and Rates Quiz 1

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A car travels 147 km in 3 hours. The average speed is

1 point

49 km/h

441 km/h

47 km/h

144 km/h

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When $240 is divided in the ratio 5 : 7, the result is:

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140 : 100

100 : 140

120 : 80

50 : 70

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The ratio of girls to boys at a party is 5 : 4. If there are 35 girls at the party, how many boys are there?

1 point

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Simplify 25:35

1 point

2:3

5:7

1:1

5:6

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$18 is divided in the ratio 5 : 4. The smaller portion is

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$10

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Simplify

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3:2

3:1

9:2

6:1

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The ratio of 4 kilometres to 200 metres is

1 point

1:50

50:1

20:1

2:1

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What is the missing number 4 : ? = 12 : 27

1 point

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The ratio 4:6 is equivalent to

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2:1

8:16

4:9

2:3

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The ratio of male passengers to female passengers on a bus is 4:7. This means the bus could be carrying

1 point

18 males

2 males

35 females

28 passengers

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There are 15 boys in a class of 35 students. The ratio of boys to girls in the class is

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3:7

4: 7

4:3

3:4

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A company owns a fleet of trucks and cars. The ratio of trucks to cars is 1:3 and there are 120 vehicles altogether. How many are cars?

1 point

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Betty can type 28 words per minute. At this rate, how many words can Betty type in 5.5 minutes?

1 point

154

157

159

162

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The colour Pine Green can be made by mixing green paint and white paint in the ratio 5 : 3.How much white paint is used to make 4 litres of Pine Green?

1 point

1.2 L

1.5 L

2.4 L

2.5 L

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Lily left work at 5 pm and arrived home at 7 pm. Which of the following do we need to know to calculate the average speed for her journey?

1 point

Her speed at 6 pm.

The number of stops on the way home and the time spent at each stop.

The distance travelled from work to home.

Her greatest and least speeds during the journey.

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The ratio of 60 cents to 2 dollars is

1 point

3 : 1

1 : 3

3 : 5

3 : 10

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Jim caught 30 fish but 2 out of every 3 were too small to take home. How many fish were too small to take home?

1 point

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Which of the following lemonade prices represents the best value for money?

1 point

390 mL for $0.25

500 mL for $0.33

1.25 L for $0.75

2 L for $1.25

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An amount of $55000 is to be divided amongst three friends, Tom, Dick and Harry, in the ratio 3 : 5 : 3.How much does Dick receive?

1 point

$5 000

$11 000

$15 000

$25 000

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The ratio of the areas of the triangles is 3 : 2. The area of the larger triangle is 60 cm 2.What is the area of the smaller triangle?

1 point

24 cm²

36 cm²

40 cm²

48 cm²

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